Communication system



March 28, 1944. F. A. HUBBARD E-rAL- COMMUNICATION SYSTEM Filed Nov. 1s, 1941 21 Sheets-Sheet 1 March 2s, 1944. F, A, HUB-BAR.; ETA.. 2,345,048

COMMUNICATION SYSTEM Fned Nov. 1:5, 1941 21 Sheets-Sheet 2 S @25H no.

.F. AJ/UBBARD /N VEN TORS W. H. HATTHIE S OMNYERS March 28, 1944. F. A. `HUBBARD Erm.

COMMUNICATION SYSTEM Filed Nov. 13, 1941 21 Sheets-Sheet 3 vF. AHUBBRD /Nl/ENTORSJ W. 'LMTTH/ES Qur/ms eQCmeg.

March 2s, 1944. F. A. HUBBARD am. 12,345,048

COMMUNICATION SYSTEM m. .um

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A TTOP/VEV 21 sheets-sheet e F. A. HUBBARD ETAL `JOMMUNICATION SYSTEM Filed Nov. 15, 1941 [NGN March 28, 1944.

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By aMYERs m). CO. @WZL A T TOR/VE V March 28, 1944. F. A. HUBBARD ETAL COMMUNICATION SYSTEM s V DE M Rl P. AWM O min n H wg AH.0 f w W March 28, 1944. F. A. HUBARD ETAL COMMUNICATION SYSTEM Filed Nov.' 15, 1941 21 Sheets-Sheet B @Nm ma @MYERS f@ Cw@ F. AHUBBARD /Nl/E/V TORSI W.'H.MA7` TH/ES NILO March 28, 1944. F. A. HUBBARD ETAL COMMUNICATION SYSTEM 2l Sheets-Sheet 9 Filed Nov. 13. 1941 k2 NS S F. A HUBBARD /Nl/EN TORSJ HAI/47' TH/ES 21 sheets-sheet 1o F. A. HUBBARD ETAL COMMUNICATION SYSTEM Filed Nov. 13. 1941 F. ,4.HuaaA/w vl/EN fons: w. H. ,wr rH/Es aura-Rs By ma Afro/@Nar IPIIIII WMQQN March 28, 1944.

March 42s, 1944.l

F. A. HUBBARD ETAL COMMUNICATION SYSTEM V. u m M t R e Ams .O B R S BTW. .l UA .A t HMM. A@ AHo RM d m m W m .V w

Filed Nov. 13, 1941 21 shets-sheet 12 March 28, 1944. F. A. HUBBARD ET Al. y COMMUNICATION SYSTEM Filed Nov.- 13, 1941 A 7` TOR/VE V March 28, 1944.

F. A. HUBBARD ETAM 2,345,048-

COMMUNICATION SYSTEM Filed NOV. 13, 1941 21 Sheets-Sheet 13 T0 CHANNEL CON TOL RE L A Y S OJJYERS. BV

ATTORNEY March' 28,` 1944.

F. A. HUBBARD ETAL I 2,345,048

` COMMUNICATION SYSTEM A Filed Nov. 13,1941 21 sheets-sheet 14 "F, A. HUMA/1o /N VEN roes.' W. H. MA r rH/Es O MYERS BV AHORA/5y COMMUNICATION SYSTEM Filed Nov. 1:5, 1941 V 21 sheets-sheet' 15 SO bk S .mi

QMYERS ATTORNEY` March 28. 1944. l F. A. HUBBARD ETAL COMMUNICATION SYSTEM D .LL-IL. M ETR m`. m NvQ BTW. /A e.. a WMM. m Anna@ .qm Fw l S 2 Bmw F'lled Nov. 13

WNS NWN March 28, 1944. F A, HUBBARD ETAL (2,345,048

- COMMUNICATION SYSTEM Filed Nov. 1s, 1941 21 4sheeu=-sheet 1'7 F. AHUBBRD /N VEN TORS mHMTTH/ES By O .MYERS A 7' TORNE V March 28, 1944. F. A. HUBBARD ET AL COMMUNICATION SYSTEM Filed Nov. 13, 1941 21'Sheets-Sheet 18 o U mm N AHS m BTR .T BTE T UAv. A H MW. AHO ruw. M

21 sheets-snm 19 COMMUNICATION SYSTEM Filed NOV.I 13, 1.941

F. A. HUBBARD ETAL WLSN . h. QbQNM m TH I March 28, 1944.

, F. A. HUYBBA R0 /N VEN roes w. H. MA r TH/Es aMrERs .AHORA/Er March 28, 1944. F. A. HUBBARD ETAL COMMUNICATION SYSTEM Filed Nov. l5. 1941 21 Sheets-Sheet 2O NN N mimi Ti. QN NN NSN QQN UER QE x 4 SP3 E A. HUBBARD n'. H. MATrH/Es /NVENTORSZ By -O. MYERS Q ma ATTORNEV 

